Home / 916,706.34-1,375,153.47-317,667.06

Finding the Fourth Proportional to 916,706.34, 1,375,153.47 and 317,667.06

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Solution

The fourth proportional to 916,706.34, 1,375,153.47 and 317,667.06 is: 476,533.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,706.34 : 1,375,153.47 = 317,667.06 : x
  2. Step 2: Convert to fraction form
    916,706.34/1,375,153.47 = 317,667.06/x
  3. Step 3: Cross multiply
    916,706.34x = 1,375,153.47 × 317,667.06
  4. Step 4: Simplify right side
    916,706.34x = 436,840,959,863.70
  5. Step 5: Solve for x
    x = 436,840,959,863.70/916,706.34
  6. Step 6: Final answer
    x = 476,533.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.